5065126565 has 4 divisors (see below), whose sum is σ = 6078151884. Its totient is φ = 4052101248.

The previous prime is 5065126531. The next prime is 5065126579. The reversal of 5065126565 is 5656215605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 683613316 + 4381513249 = 26146^2 + 66193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5065126565 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506512652 + ... + 506512661.

It is an arithmetic number, because the mean of its divisors is an integer number (1519537971).

Almost surely, 2^5065126565 is an apocalyptic number.

It is an amenable number.

5065126565 is a deficient number, since it is larger than the sum of its proper divisors (1013025319).

5065126565 is a wasteful number, since it uses less digits than its factorization.

5065126565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013025318.

The product of its (nonzero) digits is 270000, while the sum is 41.

The square root of 5065126565 is about 71169.7025777121. The cubic root of 5065126565 is about 1717.3682671914.

The spelling of 5065126565 in words is "five billion, sixty-five million, one hundred twenty-six thousand, five hundred sixty-five".